Write and balance the equation that would take place when ammonium sulfate reacts with sodium hydroxide to form ammonium hydroxide and sodium sulfate.

Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.

As we move from left to right across the periodic table, what is the general trend? a) atomic radii increase. b) electronegavitiy decreases. c) nuclear shielding increases. d) metallic character decreases.

What is the oxidation state of an individual bromine atom in nabro3?